{
  "schema": "ProgramSpend/v1",
  "phase": "v2.7-c2-backfill",
  "date": "2026-08-06",
  "issue": "Phase 9 C2: layout-resolved N=189 SE/PK 4-arm HF backfill + both-variants vendor bake",
  "dataset": "mrfullcream/adl-v27-prove-arms",
  "cap_scope": "HF_only",
  "hard_cap_usd": 65.0,
  "committed_usd": 16.394,
  "within_cap": true,
  "cost_method": {
    "flavor": "l4x1",
    "rate_usd_per_hour": 0.8,
    "note": "HF arms = sum(running_secs)/3600 * 0.8; Grok vendor+judge uncapped per DECISIONS #8"
  },
  "breakdown": {
    "hf_arms_this_pass_usd": 4.2898,
    "hf_total_usd": 16.394,
    "grok_judge_toward_hf_cap_usd": 0.0,
    "hf_by_arm": {
      "paddle": 1.1547,
      "unlimited": 1.6751,
      "glm_whole": 1.0796,
      "glm_pipe": 0.3804
    },
    "running_secs_by_arm": {
      "paddle": 5196.0,
      "unlimited": 7538.0,
      "glm_whole": 4858.0,
      "glm_pipe": 1712.0
    }
  },
  "this_pass": {
    "hf_usd": 4.2898,
    "hf_breakdown": {
      "paddle": 1.1547,
      "unlimited": 1.6751,
      "glm_whole": 1.0796,
      "glm_pipe": 0.3804
    },
    "mode": "HF 4-arm jobs + live Grok vendor both-variants + live judge",
    "pages_completed": 141,
    "pages_failed": 48,
    "served_cells": 6718,
    "vendor_pages_with_cells": 120,
    "vendor_cells": 3928,
    "usd_per_completed_page_hf": 0.030424
  },
  "grok_judge": {
    "toward_hf_cap_usd": 0.0,
    "uncapped_per": "DECISIONS #8 (xAI SuperGrok Heavy pre-paid; not toward HF cap)"
  },
  "notes": [
    "4-arm HF COMPLETED 189/189; actual HF $4.2898 (l4x1 running_secs x $0.8/h); cumulative HF $16.394 / $65.",
    "Backfill both-variants: completed=141 failed=48 vendor_pages=120 vendor_cells=3928.",
    "Failed pages are empty-route + vendor max-turns/no-parseable (no pinned recovery possible).",
    "Grok vendor transcription + live judge uncapped ($0 toward HF cap)."
  ]
}